public class test3 {
    static void main() {
        int[] arr={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
        int count=0;
        for(int i=0;i<arr.length;i++) {
            if(arr[i]%3==0)
                count++;}
        System.out.println("能被5整除的数"+count+"个");
         }
    }

